1# Copyright (c) 2019, Paul Dreik 2# License: see LICENSE.rst in the fmt root directory 3 4# Link in the main function. Useful for reproducing, kcov, gdb, afl, valgrind. 5# (Note that libFuzzer can also reproduce, just pass it the files.) 6option(FMT_FUZZ_LINKMAIN "Enables the reproduce mode, instead of libFuzzer" On) 7 8# For oss-fuzz - insert $LIB_FUZZING_ENGINE into the link flags, but only for 9# the fuzz targets, otherwise the CMake configuration step fails. 10set(FMT_FUZZ_LDFLAGS "" CACHE STRING "LDFLAGS for the fuzz targets") 11 12# Adds a binary for reproducing, i.e. no fuzzing, just enables replaying data 13# through the fuzzers. 14function(add_fuzzer source) 15 get_filename_component(basename ${source} NAME_WE) 16 set(name ${basename}-fuzzer) 17 add_executable(${name} ${source} fuzzer-common.h) 18 if (FMT_FUZZ_LINKMAIN) 19 target_sources(${name} PRIVATE main.cc) 20 endif () 21 target_link_libraries(${name} PRIVATE fmt) 22 if (FMT_FUZZ_LDFLAGS) 23 target_link_libraries(${name} PRIVATE ${FMT_FUZZ_LDFLAGS}) 24 endif () 25 target_compile_features(${name} PRIVATE cxx_generic_lambdas) 26endfunction() 27 28foreach (source chrono-duration.cc float.cc named-arg.cc one-arg.cc two-args.cc) 29 add_fuzzer(${source}) 30endforeach () 31